# Copyright 2021 Tianmian Tech. All Rights Reserved.
# 
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
# 
#     http://www.apache.org/licenses/LICENSE-2.0
# 
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

import multiprocessing
from concurrent.futures.thread import ThreadPoolExecutor


class CommonThreadPool:
    """
    common thread pool
    """

    pool = ThreadPoolExecutor(
        max_workers=multiprocessing.cpu_count() if multiprocessing.cpu_count() < 8 else 8,
        thread_name_prefix="common_thread_poll_"
    )

    @staticmethod
    def submit(*args, **kwargs):
        """
        Submit a function to the thread pool,
        this function will be executed asynchronously using a non-blocking thread.

        Parameters
        ----------
        args: function

        kwargs:
            args of function


        """
        CommonThreadPool.pool.submit(*args, **kwargs)
